* {
	padding: 0;
	margin: 0;
}

li {
	list-style: none;
}

@media screen and (min-width:1300px) {
	section {
		width: 80%;

		margin: 0 auto;
		padding-bottom: 10%;
	}

	.title p {
		font-size: 30px;
		margin-bottom: 30px;
	}

	.content_one {
		height: 400px;
	}

	#home_service {
		width: 100%;
		height: 100%;
	}

	/* 线路上方的大图片 */
	#leftimg {
		width: 55%;
		height: 400px;
		float: left;
	}

	#leftimg>img {
		width: 100%;
		height: 100%;
	}

	/* 右侧 */
	.right-content {
		margin-left: 30px;
		width: 42%;
		float: left;
		height: 100%;
	}

	.right-content>p {
		margin-bottom: 15px;
		font-size: 20px;
	}

	.smallinfo {
		display: inline-block;
		margin-left: 10px;
		margin-bottom: 10px;
		line-height: 30px;
		font-size: 14px;
	}

	.right-content>p>small {
		font-size: 14px;
	}

	/* ------课程目标------ */
	.center {
		margin-top: 30px;
	}

	.center p {
		padding-left: 10px;
		font-size: 25px;
		display: inline-block;
		line-height: 40px;
		height: 40px;
		border-left: 4px solid red;
		width: 100%;
	}

	.center>small {
		margin-top: 20px;
		display: inline-block;
		font-size: 14px;
		color: black;
		margin-left: 10px;
		line-height: 30px;
	}

	/* ---------------- */
	#clearfix_info {
		width: 370px;
		height: 180px;
		margin-left: 15px;
		margin-top: 25px;
		float: left;
	}

	.tec-pic {
		float: left;
		height: 100%;
		width: 150px;
	}

	.tec-pic img {
		width: 100%;
		height: 100%;
	}

	.list-des {
		float: right;
		margin-top: 25px;
		width: 200px;
		font-size: 14px;
	}

	.list-des li {
		color: dimgrey;
		margin-bottom: 10px;
	}
}

@media screen and (max-width:1299px) {
	section {
		width: 1200px;
		margin: 0 auto;
		padding-bottom: 10%;
	}

	.title p {
		font-size: 25px;
		margin-bottom: 30px;
	}

	.content_one {
		height: 370px;
	}

	#home_service {
		width: 100%;
		height: 100%;
	}

	/* 线路上方的大图片 */
	#leftimg {
		width: 55%;
		height: 100%;
		float: left;
	}

	#leftimg>img {
		width: 100%;
		height: 100%;
	}

	/* 右侧 */
	.right-content {
		margin-left: 30px;
		width: 42%;
		float: left;
		height: 100%;
	}

	.right-content>p {
		margin-bottom: 15px;
		font-size: 17px;
	}

	.smallinfo {
		display: inline-block;
		margin-left: 10px;
		margin-bottom: 10px;
		line-height: 30px;
		font-size: 13px;
	}

	.right-content>p>small {
		font-size: 13px;
	}

	/* ------课程目标------ */
	.center {
		margin-top: 30px;
	}

	.center p {
		padding-left: 10px;
		font-size: 22px;
		display: inline-block;
		line-height: 40px;
		height: 40px;
		border-left: 4px solid red;
		width: 100%;
	}

	.center>small {
		margin-top: 20px;
		display: inline-block;
		font-size: 13px;
		color: black;
		margin-left: 10px;
		line-height: 30px;
	}

	/* ---------------- */
	#clearfix_info {
		width: 350px;
		height: 160px;
		margin-left: 15px;
		margin-top: 25px;
		float: left;
	}

	.tec-pic {
		float: left;
		height: 100%;
		width: 130px;
	}

	.tec-pic img {
		width: 100%;
		height: 100%;
	}

	.list-des {
		float: right;
		margin-top: 25px;
		width: 200px;
		font-size: 13px;
	}

	.list-des li {
		color: dimgrey;
		margin-bottom: 10px;
	}
}
